Question

If x = 5, find the value of
a) x2
b) (x + 3)2

Answer 1

Answer: a) = 10

b) = 16

Explanation:

a) as x = 5 so putting the value of x in given equation

5 multiplied by 2 is equal to 10

b) Putting value of x in given equation

= (5 + 3) 2

According to BODMAS solve the brackets first

= 8 x 2

= 16